State Primary Standard of the Unit of the Coefficient of Amplitude Modulation of High-Frequency Oscillations
Reproduction and maintenance of unit of coefficient of amplitude modulation of HF-oscillations (AM). Transferring of unit of coefficient of amplitude modulation to the secondary standard and working standards by means of the method of comparison with the help of comparator in accordance with DETU 3393-96 (GOST 8.109-97) “Metrology. National verification scheme for measuring instruments of unit of coefficient of amplitude modulation of HF-oscillations”.
Metrological characteristics | |
Range | from 0,1 % to 100 % |
Uncertainty by type А (uA) | 0,0003 |
Uncertainty by type В (uB) | 0,0008–0,0016 |
Total standard uncertainty (uC) | 0,0008–0,0016 |
Extended uncertainty (U) | 0,0017–0,0032 |